亡くなった両親の形見として残された一軒家。ひかりはそれを少し改装し、アパート経営することにした。家賃滞納のアル中住人、10浪の童貞君、事故で自宅安静住人、そして、オナニーを102号室の住人に覗かれ…、「めぞん爆乳」で起こる様々な住人との問題をＫカップのむっちり肉体を駆使して解決していく物語です。A house was left Hikari's deceased parents. She renovated it and made it into an apartment. In it lived , a virgin prep school student , a resident injured due to an accident, and Hikari's next door neighbor who peeked into her room as she was masturbating… Numerous stories about the resident of a "Busty mansion" and it's owner the big tits Hikari using her body to solve the residents problem…
